Hi,
On Thu, 1 Mar 2001, Alexander Viro wrote:
> IOW, if it's worth doing at all it probably should be
> on expanding path in vmtruncate() - limit checks are already
> done, but old i_size is still not lost...
The fs where it's important have mmu_private, that's what I use to decide
whethe
On Thu, 1 Mar 2001, Roman Zippel wrote:
> Hi,
>
> On Thu, 1 Mar 2001, Alexander Viro wrote:
>
> > +static int generic_vm_expand(struct address_space *mapping, loff_t size)
> > +{
> > + struct page *page;
> > + unsigned long index, offset;
> > + int err;
> > +
> > + if (!mapping->a_ops
Hi,
On Thu, 1 Mar 2001, Alexander Viro wrote:
> +static int generic_vm_expand(struct address_space *mapping, loff_t size)
> +{
> + struct page *page;
> + unsigned long index, offset;
> + int err;
> +
> + if (!mapping->a_ops->prepare_write || !mapping->a_ops->commit_write)
> +
On Thursday, March 01, 2001 12:05:50 PM -0800 Linus Torvalds
<[EMAIL PROTECTED]> wrote:
> In article <[EMAIL PROTECTED]>,
> Alexander Viro <[EMAIL PROTECTED]> wrote:
>>
>> Alan, fix is really quite simple. Especially if you have vmtruncate()
>> returning int (ac1 used to do it, I didn't check
On Thu, 1 Mar 2001, Linus Torvalds wrote:
> In article <[EMAIL PROTECTED]>,
> Alexander Viro <[EMAIL PROTECTED]> wrote:
> >
> >Alan, fix is really quite simple. Especially if you have vmtruncate()
> >returning int (ac1 used to do it, I didn't check later ones). Actually
> >just a generic_cont_
In article <[EMAIL PROTECTED]>,
Alexander Viro <[EMAIL PROTECTED]> wrote:
>
>Alan, fix is really quite simple. Especially if you have vmtruncate()
>returning int (ac1 used to do it, I didn't check later ones). Actually
>just a generic_cont_expand() done on expanding path in vmtruncate()
>will be
On Thu, 1 Mar 2001, Alan Cox wrote:
> > In that case, why was it changed for FAT only? Ext2 will still
> > happily enlarge a file by truncating it.
>
> ftruncate() and truncate() may extend a file but they are not required to
> do so.
>
> > If the behavior has to be changed, wouldn't it be be
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